5SYO

Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with Cytisine

• PDB DOI: https://doi.org/10.2210/pdb5SYO/pdb

• Classification: ACETYLCHOLINE-BINDING PROTEIN
• Organism(s): Aplysia californica, Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2016-08-11 Released: 2016-10-12 
• Deposition Author(s): Bobango, J., Wu, J., Talley, I.T., Talley, T.T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.227 
• R-Value Work: 0.204 
• R-Value Observed: 0.205 

Starting Model: experimental

Literature

Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with Cytisine

Bobango, J., Wu, J., Talley, I.T., Talley, T.T.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C5  (Explore in 3D)
Global Stoichiometry: Homo 5-mer - A5 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 131.96 kDa 
• Atom Count: 8,234 
• Modelled Residue Count: 1,007 
• Deposited Residue Count: 1,150 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Soluble acetylcholine receptor, Neuronal acetylcholine receptor subunit alpha-3 chimera	A, B, C, D, E	230	Aplysia californica, Homo sapiens This entity is chimeric	Mutation(s): 2
UniProt & NIH Common Fund Data Resources
Find proteins for Q8WSF8 (Aplysia californica) Explore Q8WSF8  Go to UniProtKB:  Q8WSF8
Find proteins for P32297 (Homo sapiens) Explore P32297  Go to UniProtKB:  P32297
PHAROS:  P32297 GTEx:  ENSG00000080644
UniProt Groups	Q8WSF8P32297

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
C5E	F [auth C], G [auth E]	(1R,5S)-1,2,3,4,5,6-HEXAHYDRO-8H-1,5-METHANOPYRIDO[1,2-A][1,5]DIAZOCIN-8-ONE C11 H14 N2 O ANJTVLIZGCUXLD-DTWKUNHWSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.227 
• R-Value Work: 0.204 
• R-Value Observed: 0.205 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 68.596	α = 90
b = 78.077	β = 93.34
c = 120.343	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-10-12 
Deposition Author(s): Bobango, J., Wu, J., Talley, I.T., Talley, T.T.

Revision History  

• Version 1.0: 2016-10-12
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2024-10-30
  Changes: Structure summary